Duotone Cosmic SLS SUP 2026 is a premium all-wave SUP designed for riders who want one board that performs across a wide range of surf conditions. From playful beach breaks to powerful overhead waves, the Cosmic SLS combines speed, stability and responsive handling to help you progress your wave riding with confidence.
Its carefully refined shape features a rounded point nose for smooth wave entry and excellent paddling stability, while the pulled-in moon tail delivers precise control and quick, flowing turns. A performance-focused bottom contour transitions from a fast mono concave at the nose to a stable double concave through the centre, finishing with a subtle V in the tail for effortless release and dynamic rail-to-rail transitions.
A versatile 4+1 fin box system allows you to customise the board’s feel for different conditions. Ride it as a thruster for balanced all-round performance, a quad for maximum grip in larger surf, a twin for a loose and playful character, or twin with trailer for the perfect blend of freedom and control.
Constructed using FULL CUSTOM SLS Technology, each board is individually CNC-shaped around a lightweight EPS core before receiving a premium biaxial composite PVC sandwich laminate. The result is an exceptionally light, stiff and durable board that delivers maximum performance on every wave.
Whether you’re looking to replace multiple wave boards with one versatile performer or simply take your SUP surfing to the next level, the Duotone Cosmic SLS 2026 offers outstanding versatility, premium construction and confidence-inspiring performance in all types of surf.
- AI_BOARD_3D- We use our own exclusive 3D CAD software. Apart from being much more accurate and faster, complex 3D design tasks such as our ground-breaking SYNCED CURVES CONCEPT would otherwise have been simply impossible to realize.
- ALL-WAVE PERFORMANCE- Accessible for wave newcomers, still exciting for advanced wave riders.
- 4+1 BOX SYSTEM- Unmatched versatility since you can setup the board as a thruster, quad, twin or twin + trailer.
- FULL CUSTOM SLS TECHNOLOGY- The FULL CUSTOM SLS TECHNOLOGY is build like a real custom made board.
- +6 WARRANTY- Register your board online within 60 days of purchase for a 6 months extended coverage.
- FLAT SPOT DECK SHAPE- The center of the deck is completely flat. This feels like standing on a jetty providing a stable base for better balance and maximum control.
| Size | Volume | Length | Width | Weight* | Recommended Rider Weight | Technology | Fin Setup |
|---|---|---|---|---|---|---|---|
| 8’0″ × 30″ | 108 L | 8’0″ (243.8 cm) | 30″ (76.2 cm) | 6.8 kg | Up to 120 kg | Full Custom SLS | 4+1 Box System / Thruster fin set included |
| 8’4″ × 31″ | 124 L | 8’4″ (254.0 cm) | 31″ (78.7 cm) | 7.0 kg | Up to 130 kg | Full Custom SLS | 4+1 Box System / Thruster fin set included |
| 8’8″ × 32″ | 140 L | 8’8″ (264.2 cm) | 32″ (81.3 cm) | 7.5 kg | Up to 145 kg | Full Custom SLS | 4+1 Box System / Thruster fin set included |
| 9’2″ × 33″ | 157 L | 9’2″ (279.4 cm) | 33″ (83.8 cm) | 8.3 kg | Up to 160 kg | Full Custom SLS | 4+1 Box System / Thruster fin set included |
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